Articles

Wireless networks can be accessed by anyone within signal range. In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott explores security features included in wireless networks, such as encryption.

Steven Haines concludes his three-part series on Neo4j with an overview of Cypher, Neo4j's custom query language. Learn by example how to build basic single-element queries, and then move on to structuring multiple-level queries that are surprisingly readable.

Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, believes every network engineer should understand the differences between the two major switching methods employed in computer networks. This overview discusses the two methods from their initial deployments to modern usage.

In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott helps you make sense out of the confusing morass of plans available from cable modem, DSL, fixed wireless Internet, and satellite vendors.

Writing a perfect PowerShell script on the first try is next to impossible (though it's nice to dream). Debugging is a crucial skill for every developer, and learning easier and faster ways to find script problems can really improve the process. Adam Bertram explains how to use breakpoints to troubleshoot your PowerShell scripts.

Are you "All work, no play"? You're doing it wrong. Code instructor Elliott Hauser explains the importance of play in both teaching and learning, especially when it comes to technical subjects and skills.

USB drives have been used to spread many types of malware. In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott offers some precautions you can take to protect your information and devices.

Although Plug and Play (PnP) PCI and PCIe sound cards and integrated audio have eliminated the troublesome hardware resource conflicts that once made adding audio to a PC a big headache, there are still many possible sources of frustration with recording or playback. In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott helps you troubleshoot your audio hardware.